package com.mvc.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class CharacterEncodingFilter implements Filter {
	private FilterConfig config;
	private String encoding = "ISO-8859-1";

	@Override
	public void destroy() {
		config = null;

	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		arg0.setCharacterEncoding(encoding);
		arg2.doFilter(arg0, arg1);
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		this.config = arg0;
		String s = config.getInitParameter("encoding");
		if (s != null) {
			encoding = s;
		}
	}

}
